Kaspersky Anti-Virus 7.0.0.125 TAR File Parser access control

Summaryinfo

A vulnerability was found in Kaspersky Anti-Virus 7.0.0.125. It has been declared as critical. This vulnerability affects unknown code of the component TAR File Parser. The manipulation results in access control. This vulnerability is known as CVE-2012-1420. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in Kaspersky Anti-Virus 7.0.0.125 (Anti-Malware Software). It has been classified as critical. Affected is some unknown processing of the component TAR File Parser. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity. CVE summarizes:

The TAR file parser in Quick Heal (aka Cat QuickHeal) 11.00, Command Antivirus 5.2.11.5, F-Prot Antivirus 4.6.2.117, Fortinet Antivirus 4.2.254.0, K7 AntiVirus 9.77.3565, Kaspersky Anti-Virus 7.0.0.125, Antimalware Engine 1.1.6402.0 in Microsoft Security Essentials 2.0, NOD32 Antivirus 5795, Norman Antivirus 6.06.12, Panda Antivirus 10.0.2.7, and Rising Antivirus 22.83.00.03 allows remote attackers to bypass malware detection via a POSIX TAR file with an initial \7fELF character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different TAR parser implementations.

The weakness was published 03/19/2012 by Suman Jana and Vitaly Shmatikov as confirmed mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. The public release happened without coordination with the vendor. This vulnerability is traded as CVE-2012-1420 since 02/29/2012. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

A public exploit has been developed by Suman Jana / Vitaly Shmatikov and been published immediately after the advisory. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at OSVDB (80403†) and SecurityTracker (ID 1026840†). Similar entries are available at VDB-4914, VDB-4915, VDB-4916 and VDB-4917. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Anti-Malware Software

Vendor

• Kaspersky

Name

• Anti-Virus

Version

• 7.0.0.125

License

• commercial

Website

• Vendor: https://www.kaspersky.com/

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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